libarchive: Update to 3.5.1

libarchive: Update to 3.5.1

- Update from 3.4.0 to 3.5.1
- Update rootfile
- Changelog
   Libarchive 3.5.1 Released: Dec 26, 2020
    Important bugfixes
     various compilation fixes
     fixed undefined behavior in a function in warc reader
     Windows binary uses xz 5.2.5
   Libarchive 3.5.0 Released: Dec 1, 2020
    New features
     mtree digest reader support
     completed support for UTF-8 encoding conversion
     minor API enhancements
     support for system extended attributes
     support for decompression of symbolic links in zipx archives
    Important bugfixes
     fixed extraction of archives with hard links pointing to itself
     fixed writing of cpio archives containing hardlinks without file type
     fixed rdev field in cpio format for device nodes
     fixed uninitialized size in rar5_read_data
     fixed memory leaks in error case of archive_write_open() functions
   Libarchive 3.4.3 Released: May 20, 2020
    New features
     support for pzstd compressed files
     support for RHT.security.selinux tar extended attribute
    Important bugfixes
     various zstd fixes and improvements child process
     handling fixes
   Libarchive 3.4.2 Released: Feb 11, 2020
    New features
     Atomic file extraction support (bsdtar -x --safe-writes)
     mbed TLS (PolarSSL) support
    Important bugfixes
     security fixes in RAR5 reader
     compression buffer fix in XAR writer
     fix for uname and gname longer than 32 characters in PAX writer
     fix segfault when archiving hard links in ISO9660 and XAR writers
     fix support for extracting 7z archive entries with Delta filter
   Libarchive 3.4.1 Released: Dec 30, 2019
    New features
     Unicode filename support for reading lha/lzh archives
     New pax write option "xattrhdr"
    Important bugfixes
     security fixes in wide string processing
     security fixes in RAR5 reader
     security fixes and optimizations to write filter logic
     security fix related to use of readlink(2)
     sparse file handling fixes

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>